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14532220 = 225726611
BaseRepresentation
bin110111011011…
…111001111100
31000100022110101
4313123321330
512210012340
61235250444
7234343663
oct67337174
930308411
1014532220
1182262aa
124a49a24
13301a761
141d03dda
151420c9a
hexddbe7c

14532220 has 12 divisors (see below), whose sum is σ = 30517704. Its totient is φ = 5812880.

The previous prime is 14532137. The next prime is 14532227. The reversal of 14532220 is 2223541.

It is a super-2 number, since 2×145322202 = 422370836256800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14532227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363286 + ... + 363325.

It is an arithmetic number, because the mean of its divisors is an integer number (2543142).

Almost surely, 214532220 is an apocalyptic number.

14532220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14532220 is an abundant number, since it is smaller than the sum of its proper divisors (15985484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14532220 is a wasteful number, since it uses less digits than its factorization.

14532220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726620 (or 726618 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 14532220 is about 3812.1148985832. The cubic root of 14532220 is about 244.0304315713.

Adding to 14532220 its reverse (2223541), we get a palindrome (16755761).

The spelling of 14532220 in words is "fourteen million, five hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 726611 1453222 2906444 3633055 7266110 14532220